Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Diagnosis System

Terminals Of Ecu

TERMINALS OF ECU CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (a) Disconnect the A74, R1 and J41 certification ECU (smart key ECU assembly) connectors. (b) Measure the voltage and resistance acco ...

Dtc Check / Clear

DTC CHECK / CLEAR NOTICE: When using the Techstream with the engine switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Can Communication System: Check Bus 1 Lines for Short Circuit
DESCRIPTION There may be a short circuit between the bus 1 main lines and/or bus 1 branch lines when the resistance between terminals 23 (CA1H) and 8 (CA1L) of the network gateway ECU is below 54 Ω. Symptom Trouble Area Resistance between terminals 23 (CA1H) and 8 (CA1L) of network gateway ...

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Lighting System (w/ Automatic Headlight Beam Level Control System): CAN Communication Failure (Message Registry) (U1000)
DESCRIPTION The No. 1 headlight ECU sub-assembly LH stores this DTC if it detects an internal malfunction related to the CAN communication system. for Multiple Beam Headlight DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from U1000 CAN Communication Failure ...